556155445 has 8 divisors (see below), whose sum is σ = 667522944. Its totient is φ = 444833424.

The previous prime is 556155373. The next prime is 556155451. The reversal of 556155445 is 544551655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556155445 - 2⁹ = 556154933 is a prime.

It is a super-3 number, since 3×556155445³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556155398 and 556155407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27832 + ... + 43438.

It is an arithmetic number, because the mean of its divisors is an integer number (83440368).

Almost surely, 2^556155445 is an apocalyptic number.

It is an amenable number.

556155445 is a deficient number, since it is larger than the sum of its proper divisors (111367499).

556155445 is a wasteful number, since it uses less digits than its factorization.

556155445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22739.

The product of its digits is 300000, while the sum is 40.

The square root of 556155445 is about 23582.9481829563. The cubic root of 556155445 is about 822.3664759245.

The spelling of 556155445 in words is "five hundred fifty-six million, one hundred fifty-five thousand, four hundred forty-five".